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|Interview Questions and Answers for 'Portware llc' - 1 question(s) found - Order By Newest|
|Very frequently asked. Usually asked with questions related to String.|
|Ans. Object that can't be changed after instantiation.|
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Try 2 Question(s) Test
|Why is String immutable in Java ?|
|Why Char array is preferred over String for storing password?|
|How does making string as immutable helps with securing information ? How does String Pool pose a security threat ?|
|How is string object immutable if we can concat a string to it ?|
|What is an immutable class ?|
|How to implement an immutable class ?|
|Does Declaring an object "final" makes it immutable ?|
|What are stateless objects ? How are they different from immutable objects ? Which of these two is thread safe ?|
|What are advantages of stateless and / or immutable objects ?|